[   28.183861][  T241] 
[   28.184224][  T241] =============================
[   28.184471][  T241] WARNING: suspicious RCU usage
[   28.184657][  T241] 6.12.0-rc4-virtme #1 Not tainted
[   28.184824][  T241] -----------------------------
[   28.185015][  T241] net/ipv4/tcp_ao.c:2232 RCU-list traversed in non-reader section!!
[   28.185268][  T241] 
[   28.185268][  T241] other info that might help us debug this:
[   28.185268][  T241] 
[   28.185741][  T241] 
[   28.185741][  T241] rcu_scheduler_active = 2, debug_locks = 1
[   28.186377][  T241] 1 lock held by rst_ipv6/241:
[   28.186570][  T241]  #0: ffff888008201098 (sk_lock-AF_INET6){+.+.}-{0:0}, at: do_tcp_getsockopt+0x40b/0x2fe0
[   28.187072][  T241] 
[   28.187072][  T241] stack backtrace:
[   28.187381][  T241] CPU: 0 UID: 0 PID: 241 Comm: rst_ipv6 Not tainted 6.12.0-rc4-virtme #1
[   28.187752][  T241] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   28.188308][  T241] Call Trace:
[   28.188503][  T241]  <TASK>
[   28.188647][  T241]  dump_stack_lvl+0xb0/0xd0
[   28.188911][  T241]  lockdep_rcu_suspicious+0x1ea/0x280
[   28.189164][  T241]  tcp_ao_copy_mkts_to_user+0xded/0x1050
[   28.189420][  T241]  ? mark_held_locks+0x9e/0xe0
[   28.189679][  T241]  ? __pfx_tcp_ao_copy_mkts_to_user+0x10/0x10
[   28.189988][  T241]  ? stack_depot_save_flags+0x273/0x3a0
[   28.190247][  T241]  ? kasan_save_stack+0x24/0x50
[   28.190499][  T241]  ? kasan_save_track+0x14/0x30
[   28.190739][  T241]  ? kfree+0xf3/0x340
[   28.190923][  T241]  ? tcp_ao_parse_crypto+0x269/0x650
[   28.191223][  T241]  ? __lock_acquire+0xb3f/0x1580
[   28.191492][  T241]  ? lock_acquire.part.0+0xeb/0x330
[   28.191732][  T241]  ? find_held_lock+0x2c/0x110
[   28.191986][  T241]  ? __lock_release+0x103/0x460
[   28.192212][  T241]  ? do_tcp_getsockopt+0x40b/0x2fe0
[   28.192460][  T241]  ? hlock_class+0x4e/0x130
[   28.192710][  T241]  ? mark_lock+0x38/0x3e0
[   28.192898][  T241]  ? do_tcp_getsockopt+0x10dd/0x2fe0
[   28.193187][  T241]  do_tcp_getsockopt+0x10dd/0x2fe0
[   28.193422][  T241]  ? __pfx_do_tcp_getsockopt+0x10/0x10
[   28.193600][  T241]  ? tcp_ao_add_cmd+0xf22/0x1700
[   28.193854][  T241]  ? release_sock+0x1f/0x1d0
[   28.194080][  T241]  ? reacquire_held_locks+0x22f/0x4f0
[   28.194290][  T241]  ? release_sock+0x1f/0x1d0
[   28.194553][  T241]  ? rcu_read_lock_any_held+0x43/0xb0
[   28.194764][  T241]  ? validate_chain+0x1fe/0xae0
[   28.194939][  T241]  ? find_held_lock+0x2c/0x110
[   28.195142][  T241]  ? __pfx_validate_chain+0x10/0x10
[   28.195364][  T241]  ? __pfx_validate_chain+0x10/0x10
[   28.195628][  T241]  ? hlock_class+0x4e/0x130
[   28.195879][  T241]  ? mark_lock+0x38/0x3e0
[   28.196080][  T241]  ? __lock_acquire+0xb3f/0x1580
[   28.196301][  T241]  ? find_held_lock+0x2c/0x110
[   28.196502][  T241]  ? __lock_release+0x103/0x460
[   28.196678][  T241]  ? __might_fault+0x11b/0x170
[   28.196925][  T241]  ? __pfx___lock_release+0x10/0x10
[   28.197181][  T241]  ? trace_lock_acquire+0x14d/0x1f0
[   28.197422][  T241]  ? find_held_lock+0x2c/0x110
[   28.197598][  T241]  ? __might_fault+0xc3/0x170
[   28.197792][  T241]  ? __might_fault+0xc3/0x170
[   28.198062][  T241]  tcp_getsockopt+0x90/0xf0
[   28.198315][  T241]  do_sock_getsockopt+0x1c7/0x730
[   28.198570][  T241]  ? __fget_files+0x1af/0x3e0
[   28.198815][  T241]  ? __pfx_do_sock_getsockopt+0x10/0x10
[   28.199077][  T241]  ? fdget+0x175/0x1e0
[   28.199265][  T241]  __sys_getsockopt+0xfc/0x1b0
[   28.199516][  T241]  ? __pfx___sys_getsockopt+0x10/0x10
[   28.199762][  T241]  ? __pfx_task_work_run+0x10/0x10
[   28.200021][  T241]  __x64_sys_getsockopt+0xbd/0x160
[   28.200249][  T241]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[   28.200555][  T241]  do_syscall_64+0xc1/0x1d0
[   28.200792][  T241]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   28.201100][  T241] RIP: 0033:0x7f89e9ec546e
[   28.201355][  T241] Code: 1f 44 00 00 48 8b 15 91 99 0a 00 f7 d8 64 89 02 b8 ff ff ff ff eb b8 0f 1f 44 00 00 f3 0f 1e fa 49 89 ca b8 37 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 0a c3 66 0f 1f 84 00 00 00 00 00 48 8b 15 59
[   28.202240][  T241] RSP: 002b:00007f89e95709b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000037
[   28.202614][  T241] RAX: ffffffffffffffda RBX: 00007f89e9570c70 RCX: 00007f89e9ec546e
[   28.202975][  T241] RDX: 0000000000000029 RSI: 0000000000000006 RDI: 000000000000000a
[   28.203322][  T241] RBP: 00007f89e95709d0 R08: 00007f89e95709cc R09: 0000000000000064
[   28.203687][  T241] R10: 00007f89e95709d0 R11: 0000000000000246 R12: 000000000000000a
[   28.204037][  T241] R13: 0000000000000064 R14: 0000000000000080 R15: 0000000000000064
[   28.204343][  T241]  </TASK>
[   28.209331][  T241] 
[   28.209643][  T241] =============================
[   28.209905][  T241] WARNING: suspicious RCU usage
[   28.210149][  T241] 6.12.0-rc4-virtme #1 Not tainted
[   28.210423][  T241] -----------------------------
[   28.210784][  T241] net/ipv4/tcp_ao.c:208 RCU-list traversed in non-reader section!!
[   28.211170][  T241] 
[   28.211170][  T241] other info that might help us debug this:
[   28.211170][  T241] 
[   28.211826][  T241] 
[   28.211826][  T241] rcu_scheduler_active = 2, debug_locks = 1
[   28.212201][  T241] 1 lock held by rst_ipv6/241:
[   28.212449][  T241]  #0: ffff888008201098 (sk_lock-AF_INET6){+.+.}-{0:0}, at: inet_stream_connect+0x43/0xa0
[   28.213054][  T241] 
[   28.213054][  T241] stack backtrace:
[   28.213361][  T241] CPU: 0 UID: 0 PID: 241 Comm: rst_ipv6 Not tainted 6.12.0-rc4-virtme #1
[   28.213725][  T241] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   28.214267][  T241] Call Trace:
[   28.214461][  T241]  <TASK>
[   28.214595][  T241]  dump_stack_lvl+0xb0/0xd0
[   28.214852][  T241]  lockdep_rcu_suspicious+0x1ea/0x280
[   28.215116][  T241]  __tcp_ao_do_lookup.part.0+0x201/0x240
[   28.215373][  T241]  tcp_ao_do_lookup+0x22/0x30
[   28.215619][  T241]  tcp_connect+0x1216/0x18b0
[   28.215894][  T241]  ? rt6_get_cookie+0x191/0x2e0
[   28.216182][  T241]  tcp_v6_connect+0x1173/0x1ba0
[   28.216485][  T241]  ? __pfx_tcp_v6_connect+0x10/0x10
[   28.216747][  T241]  ? lock_acquire.part.0+0xeb/0x330
[   28.217016][  T241]  ? find_held_lock+0x2c/0x110
[   28.217297][  T241]  ? hlock_class+0x4e/0x130
[   28.217547][  T241]  ? mark_lock+0x38/0x3e0
[   28.217757][  T241]  __inet_stream_connect+0x272/0x9f0
[   28.218018][  T241]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[   28.218350][  T241]  inet_stream_connect+0x57/0xa0
[   28.218647][  T241]  __sys_connect+0x205/0x280
[   28.218927][  T241]  ? __pfx___sys_connect+0x10/0x10
[   28.219187][  T241]  ? do_fcntl+0x5cc/0x8b0
[   28.219405][  T241]  ? __fget_files+0x1b9/0x3e0
[   28.219695][  T241]  __x64_sys_connect+0x72/0xb0
[   28.219978][  T241]  do_syscall_64+0xc1/0x1d0
[   28.220265][  T241]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   28.220613][  T241] RIP: 0033:0x7f89e9ec540b
[   28.220902][  T241] Code: 83 ec 18 89 54 24 0c 48 89 34 24 89 7c 24 08 e8 eb c7 f4 ff 8b 54 24 0c 48 8b 34 24 41 89 c0 8b 7c 24 08 b8 2a 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 35 44 89 c7 89 44 24 08 e8 41 c8 f4 ff 8b 44
[   28.221837][  T241] RSP: 002b:00007f89e9570d70 EFLAGS: 00000293 ORIG_RAX: 000000000000002a
[   28.222259][  T241] RAX: ffffffffffffffda RBX: 000000000000001c RCX: 00007f89e9ec540b
[   28.222674][  T241] RDX: 000000000000001c RSI: 00007f89e9570df0 RDI: 000000000000000a
[   28.223086][  T241] RBP: 000000000000000a R08: 0000000000000000 R09: 00000000004173e0
[   28.223591][  T241] R10: 00007f89e9d7d598 R11: 0000000000000293 R12: 0000000000410980
[   28.223990][  T241] R13: 0000000000000005 R14: 00007f89e9570df0 R15: 000000000000621b
[   28.224399][  T241]  </TASK>
[   28.227695][    C2] TCP: request_sock_TCPv6: Possible SYN flooding on port [2001:db8:254::1]:7010. Sending cookies.
[   28.229747][  T241] 
[   28.229884][  T241] =============================
[   28.230073][  T241] WARNING: suspicious RCU usage
[   28.230235][  T241] 6.12.0-rc4-virtme #1 Not tainted
[   28.230400][  T241] -----------------------------
[   28.230568][  T241] net/ipv4/tcp_ao.c:1183 RCU-list traversed in non-reader section!!
[   28.230794][  T241] 
[   28.230794][  T241] other info that might help us debug this:
[   28.230794][  T241] 
[   28.231142][  T241] 
[   28.231142][  T241] rcu_scheduler_active = 2, debug_locks = 1
[   28.231506][  T241] 1 lock held by rst_ipv6/241:
[   28.231670][  T241]  #0: ffff888008201098 (sk_lock-AF_INET6){+.+.}-{0:0}, at: inet_stream_connect+0x43/0xa0
[   28.232007][  T241] 
[   28.232007][  T241] stack backtrace:
[   28.232236][  T241] CPU: 2 UID: 0 PID: 241 Comm: rst_ipv6 Not tainted 6.12.0-rc4-virtme #1
[   28.232503][  T241] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   28.232840][  T241] Call Trace:
[   28.232979][  T241]  <TASK>
[   28.233074][  T241]  dump_stack_lvl+0xb0/0xd0
[   28.233252][  T241]  lockdep_rcu_suspicious+0x1ea/0x280
[   28.233419][  T241]  tcp_ao_finish_connect+0x206/0x2f0
[   28.233582][  T241]  tcp_finish_connect+0x25/0x510
[   28.233740][  T241]  tcp_rcv_synsent_state_process+0xa6d/0x26f0
[   28.233947][  T241]  ? hlock_class+0x4e/0x130
[   28.234102][  T241]  ? mark_lock+0x38/0x3e0
[   28.234247][  T241]  ? __pfx_tcp_rcv_synsent_state_process+0x10/0x10
[   28.234444][  T241]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[   28.234634][  T241]  ? kvm_clock_get_cycles+0x18/0x30
[   28.234812][  T241]  ? ktime_get+0xb7/0x200
[   28.234953][  T241]  tcp_rcv_state_process+0x336/0x1e30
[   28.235109][  T241]  ? __lock_release+0x103/0x460
[   28.235289][  T241]  ? __release_sock+0xc8/0x390
[   28.235448][  T241]  ? __pfx_tcp_rcv_state_process+0x10/0x10
[   28.235658][  T241]  ? hlock_class+0x4e/0x130
[   28.235822][  T241]  ? mark_lock+0x38/0x3e0
[   28.235960][  T241]  tcp_v6_do_rcv+0x346/0x1330
[   28.236132][  T241]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[   28.236335][  T241]  __release_sock+0x128/0x390
[   28.236499][  T241]  release_sock+0x53/0x1d0
[   28.236673][  T241]  inet_stream_connect+0x7a/0xa0
[   28.236839][  T241]  __sys_connect+0x205/0x280
[   28.237012][  T241]  ? __pfx___sys_connect+0x10/0x10
[   28.237193][  T241]  ? do_fcntl+0x5cc/0x8b0
[   28.237328][  T241]  ? __fget_files+0x1b9/0x3e0
[   28.237513][  T241]  __x64_sys_connect+0x72/0xb0
[   28.237671][  T241]  do_syscall_64+0xc1/0x1d0
[   28.237829][  T241]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   28.238065][  T241] RIP: 0033:0x7f89e9ec540b
[   28.238237][  T241] Code: 83 ec 18 89 54 24 0c 48 89 34 24 89 7c 24 08 e8 eb c7 f4 ff 8b 54 24 0c 48 8b 34 24 41 89 c0 8b 7c 24 08 b8 2a 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 35 44 89 c7 89 44 24 08 e8 41 c8 f4 ff 8b 44
[   28.238802][  T241] RSP: 002b:00007f89e9570d70 EFLAGS: 00000293 ORIG_RAX: 000000000000002a
[   28.239107][  T241] RAX: ffffffffffffffda RBX: 000000000000001c RCX: 00007f89e9ec540b
[   28.239425][  T241] RDX: 000000000000001c RSI: 00007f89e9570df0 RDI: 000000000000000a
[   28.239672][  T241] RBP: 000000000000000a R08: 0000000000000000 R09: 00000000004173e0
[   28.239960][  T241] R10: 00007f89e9d7d598 R11: 0000000000000293 R12: 0000000000410980
[   28.240234][  T241] R13: 0000000000000005 R14: 00007f89e9570df0 R15: 000000000000621b
[   28.240534][  T241]  </TASK>
[   29.294350][  T241] 
[   29.294559][  T241] =============================
[   29.294731][  T241] WARNING: suspicious RCU usage
[   29.294922][  T241] 6.12.0-rc4-virtme #1 Not tainted
[   29.295092][  T241] -----------------------------
[   29.295279][  T241] net/ipv4/tcp_ao.c:2399 RCU-list traversed in non-reader section!!
[   29.295564][  T241] 
[   29.295564][  T241] other info that might help us debug this:
[   29.295564][  T241] 
[   29.295875][  T241] 
[   29.295875][  T241] rcu_scheduler_active = 2, debug_locks = 1
[   29.296111][  T241] 1 lock held by rst_ipv6/241:
[   29.296281][  T241]  #0: ffff888003be1098 (sk_lock-AF_INET6){+.+.}-{0:0}, at: do_tcp_setsockopt+0x936/0x2320
[   29.296653][  T241] 
[   29.296653][  T241] stack backtrace:
[   29.296860][  T241] CPU: 0 UID: 0 PID: 241 Comm: rst_ipv6 Not tainted 6.12.0-rc4-virtme #1
[   29.297136][  T241] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   29.297530][  T241] Call Trace:
[   29.297654][  T241]  <TASK>
[   29.297760][  T241]  dump_stack_lvl+0xb0/0xd0
[   29.297931][  T241]  lockdep_rcu_suspicious+0x1ea/0x280
[   29.298105][  T241]  tcp_ao_set_repair+0x3ec/0x4c0
[   29.298262][  T241]  ? hlock_class+0x4e/0x130
[   29.298453][  T241]  ? __pfx_tcp_ao_set_repair+0x10/0x10
[   29.298649][  T241]  do_tcp_setsockopt+0xb43/0x2320
[   29.298817][  T241]  ? __pfx_do_tcp_setsockopt+0x10/0x10
[   29.298971][  T241]  ? __lock_acquire+0xb3f/0x1580
[   29.299140][  T241]  ? find_held_lock+0x2c/0x110
[   29.299312][  T241]  ? __lock_release+0x103/0x460
[   29.299466][  T241]  ? __fget_files+0x1af/0x3e0
[   29.299637][  T241]  ? __pfx___lock_release+0x10/0x10
[   29.299791][  T241]  ? __pfx_lock_acquire.part.0+0x10/0x10
[   29.299953][  T241]  ? trace_lock_acquire+0x14d/0x1f0
[   29.300113][  T241]  do_sock_setsockopt+0x149/0x3a0
[   29.300270][  T241]  ? __pfx_do_sock_setsockopt+0x10/0x10
[   29.300444][  T241]  ? fdget+0x175/0x1e0
[   29.300569][  T241]  __sys_setsockopt+0x104/0x1a0
[   29.300735][  T241]  ? __pfx___sys_setsockopt+0x10/0x10
[   29.300893][  T241]  ? __fget_files+0x1b9/0x3e0
[   29.301049][  T241]  ? __pfx___sys_socket+0x10/0x10
[   29.301213][  T241]  __x64_sys_setsockopt+0xbd/0x160
[   29.301367][  T241]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[   29.301558][  T241]  do_syscall_64+0xc1/0x1d0
[   29.301727][  T241]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   29.301921][  T241] RIP: 0033:0x7f89e9ec591e
[   29.302083][  T241] Code: 0f 1f 40 00 48 8b 15 e1 94 0a 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b1 0f 1f 00 f3 0f 1e fa 49 89 ca b8 36 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 0a c3 66 0f 1f 84 00 00 00 00 00 48 8b 15 a9
[   29.302622][  T241] RSP: 002b:00007f89e9570998 EFLAGS: 00000206 ORIG_RAX: 0000000000000036
[   29.302859][  T241] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f89e9ec591e
[   29.303089][  T241] RDX: 000000000000002a RSI: 0000000000000006 RDI: 0000000000000009
[   29.303324][  T241] RBP: 0000000000000009 R08: 0000000000000010 R09: 0000000000000064
[   29.303554][  T241] R10: 00007f89e95709b0 R11: 0000000000000206 R12: 00007f89e9570b00
[   29.303787][  T241] R13: 00007f89e9570c30 R14: ffffffffffffffe0 R15: 0000000000000000
[   29.304033][  T241]  </TASK>
[   29.430353][  T233] rst_ipv6 (233) used greatest stack depth: 24080 bytes left